if rocker arm are lose on cylinder 7 will it throw a code po 307

Question

Iim getting a code po 307 , on my 2001 Chevy Silverado 5.3 coil is good very syrong

Answer 1

If the rocker arm is loose and affecting the combustion of number 7 you need to do a running compression of the offending cyclinder,75 psi is the minimun,